Wells inventions 06/07

20070144730 - Flush mounted spider: A gripping apparatus for supporting a tubular includes a longitudinal opening extending therethrough. A bowl is formed on an inner wall of the housing to provide an incline surface for one or more gripping members. As the gripping members are move down along the incline, the incline causes the gripping... Agent: Patterson & Sheridan, L.L.P.

20070144731 - Self-energized downhole tool: Setting mechanisms for downhole tools are described that take advantage of hydrostatic pressure in the wellbore which is harnessed to set a tool after exposure to well fluids for a given time or temperature defeats a lock and allows hydrostatic forces to trigger the setting of the tool. Alternatively, some... Agent: Duane Morris LLP

20070144732 - Low temperature barriers for use with in situ processes: A method of forming and maintaining a low temperature zone around at least a portion of a subsurface treatment area is described. The method includes reducing a temperature of heat transfer fluid with a refrigeration system. The heat transfer fluid is circulated through freeze well canisters and placed in a... Agent: Shell Oil Company

20070144733 - Self boosting packing element: A packer assembly features one or more elements that preferably swell when in contact with well fluids and have a feature in them that responds to an applied load in a given direction by retaining such a boost force with a locking mechanism. A single element can have two such... Agent: Duane Morris LLP

20070144734 - Inflatable packers: Inflatable packers are provided with one or more components to improve longevity and/or functionality. One or more of the packer components utilizes reinforced materials incorporated in a manner that enables the improved longevity and/or functionality.... Agent: Schlumberger Technology Corporation

20070144735 - Apparatus for radially expanding and plastically deforming a tubular member: An apparatus for radially expanding and plastically deforming a tubular member.... Agent: Haynes And Boone, LLP

20070144737 - Tracer injector tool for well investigation: A tool system for monitoring a flow of liquid within a borehole. The tool system comprises a plurality of tools disposed on a longitudinal axis of the tool system. The plurality of tools comprises at least a first injector tool for ejecting in the borehole a tracer and a detector... Agent: Schlumberger Oilfield Services

20070144738 - Method and system for development of hydrocarbon bearing formations including depressurization of gas hydrates: A method and system for the production of a gas hydrate including the steps of drilling into a subterranean gas hydrate formation and at least partially depressurizing the gas hydrate formation to permit separation of gas and water from the hydrate form. The gas and water is then pumped from... Agent: Schlumberger K.k.

20070144736 - Low density proppant particles and use thereof: Composite proppant particles each of which comprises a plurality of microbubbles and a resin binder are disclosed. Also disclosed are a method of using such composite proppant particles to prop fractures in wells formed in underground formations.... Agent: 3m Innovative Properties Company

20070144739 - Blending system for solid/fluids mixtures: Methods and system are described for monitoring the composition of a cement slurry or wellbore service fluid, including one or more feeder units for solid particulate material; one or more mixing or blending units adapted to receive material from the feeder units; one or more outlet tubes to direct the... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20070144740 - Method and apparatus for fluid influx detection while drilling: A C/O ratio is determined using measurements of inelastically scattered gamma rays with a pulsed neutron source. Combined with look-up tables, the C/O measurement is used as an indicator of formation fluid influx into wellbore such as gas kick.... Agent: Madan, Mossman & Sriram, P.C.

20070144741 - Method and system for tool orientation and positioning and particulate material protection within a well casing for producing hydrocarbon bearing formations including gas hydrates: A method and system for tool orientation and positioning and particulate material protection within a well casing for production of hydrocarbons including methane gas from a gas hydrate including a shroud positioned within a production well casing adjacent a cylindrical production tubing screen to shield and isolate the screen from... Agent: Schlumberger K.k.

20070144742 - Method of generating stable foam for oil and gas well cleanouts: A method of foam emulsion well cleanout for gas well. An emulsifier apparatus is provided having a compressed air inlet, a foaming solution inlet and a foam outlet. The compressed air inlet is connected to a source of compressed air capable of supplying compressed air to the emulsifier apparatus within... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070144743 - Tree mounted well flow interface device: A subsea production tree has an external annular profile formed on an upper portion of the tree. A vertical passage extending from a lower end of the tree to an upper end of the tree for communicating with a string of tubing extending into the well. A lateral passage in... Agent: James E. Bradley Bracewell & Giuliani LLP

20070144744 - Valve apparatus with seal assembly: A valve apparatus. The valve apparatus is disposed within a well so that an annulus is formed between an outer portion of the valve and an inner portion of the well. In one preferred embodiment, the valve apparatus comprises an outer mandrel containing an annulus port; an inner mandrel slidably... Agent: Perret Doise A Professional Law Corporation

20070144745 - Drilling rig apparatus and downhole tool assembly system and method: A drilling rig is provided which is adapted to selectively drill using coiled tubing and jointed-pipe. The rig includes a base, a mast, a top drive slidably mounted to said mast for performing jointed-pipe operations, and a tubing injector for performing coiled tubing operations, mounted on said mast for selective... Agent: James E. Bradley Bracewell & Giuliani LLP

20070144746 - System and method for connecting multiple stage completions: A technique is provided to facilitate connection of multiple stage completions. A first completion stage is deployed at a wellbore location. Subsequently, the next completion stage is moved downhole into engagement with the first completion stage. The completion stages each have communication lines that are coupled together downhole via movement... Agent: Schlumberger Reservoir Completions

20070144747 - Coal bed pretreatment for enhanced carbon dioxide sequestration: A method is claimed for enabling storage of greater volumes of carbon dioxide for sequestration while simultaneously enhancing methane recovery from the coal bed. The process is implemented by injecting hydrogen into a coal bed, such as a depleted underground coal deposit, at a temperature below about 800 degrees Centigrade... Agent: Louis Ventre, Jr

20070137852 - Apparatus for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids: The extraction of hydrocarbon fuel products such as kerogen oil and gas from a body of fixed fossil fuels such as oil shale is accomplished by applying a combination of electrical energy and critical fluids with reactants and/or catalysts down a borehole to initiate a reaction of reactants in the... Agent: Pearson & Pearson, LLP

20070137853 - Combined telemetry system and method: Telemetry systems and methods are disclosed for real time communication of information between multiple positions in a wellbore.... Agent: Shell Oil Company

20070137854 - Resistivity tool with selectable depths of investigation: A wireline tool string used in a wellbore to determine formation properties is disclosed which comprises one or more transmitter tools disposed within the tool string, each transmitter tool having three linearly independent coils; a receiver tool disposed within the tool string, wherein the receiver tool has three linearly independent... Agent: Schlumberger Oilfield Services

20070137855 - Tubing injector head: A tubing injector head, includes a main body adapted for mounting on a well. A pair of gripper chain supports are mounted to the main body. Each gripper chain support has an upper chain sprocket at an upper end and a lower chain sprocket at a lower end. A drive... Agent: Davis & Bujold, P.l.l.c.

20070137856 - Double barrier system for an in situ conversion process: A barrier system for a subsurface treatment area is described. The barrier system includes a first barrier formed around at least a portion of the subsurface treatment area. The first barrier is configured to inhibit fluid from exiting or entering the subsurface treatment area. A second barrier is formed around... Agent: Shell Oil Company

20070137857 - Low temperature monitoring system for subsurface barriers: A system for monitoring temperature of a subsurface low temperature zone is described. The system includes a plurality of freeze wells configured to form the low temperature zone, one or more lasers, and a fiber optic cable coupled to at least one laser. A portion of the fiber optic cable... Agent: Shell Oil Company

20070137858 - Method for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids: The extraction of hydrocarbon fuel products such as kerogen oil and gas from a body of fixed fossil fuels such as oil shale is accomplished by applying a combination of electrical energy and critical fluids with reactants and/or catalysts down a borehole to initiate a reaction of reactants in the... Agent: Pearson & Pearson, LLP

20070137860 - System and method for treatment of a well: A fluid injection system is used in a well. Fluid stages are arranged in repeating series within a tubing of the fluid injection system to facilitate control over effects of injection. A sensor system can be used to detect one or more parameters related to the fluids moved downhole through... Agent: Schlumberger Technology Corporation

20070137859 - Determination of well shut-in time for curing resin-coated proppant particles: A laboratory test method employs maximum acoustic wave velocity to determine cure time of a sample of curable resin-coated proppant (CRCP) that are packed in a pressurized chamber to simulate conditions in a reservoir rock formation during fracturing in which the CRCP will be used. The pressurized CRCP is subjected... Agent: Abelman, Frayne & Schwab

20070137861 - Methods of cementing using cationic cellulose ethers as fluid loss control additives: Methods of cementing comprising: providing a cement composition comprising a cement, water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; placing the cement composition into... Agent: Craig W. Roddy Halliburton Energy Services

20070137862 - Centrifugal blending system: The present invention relates generally to well servicing operations, and, more particularly, to devices, systems and methods useful in stimulation blending for fluids, mixtures, and/or slurries used in well servicing operations. A device, system and/or method is provided comprising a suction centrifugal pump capable of receiving an inlet fluid and... Agent: John W. Wustenberg

20070137863 - Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device: Wellhead assembly and method for providing a power connection to a downhole electrical device, such as a heater. Pressure-containing wellhead body members enclose a vertical wellbore and support therein an isolated tubing hanger and a grounding tubing hanger. The isolated tubing hanger suspends a conducting tubing string, while the grounding... Agent: Greenlee Winner And Sullivan P C

20070137864 - Side entry apparatus and method: An apparatus for lowering wireline into a well. The apparatus comprises a sleeve having a first and second end, wherein the first end contains a first plurality of wedges and the second end contains a second plurality of wedges. The apparatus further includes an upper mandrel having a third plurality... Agent: Perret Doise A Professional Law Corporation

20070137865 - Time release downhole trigger: A setting mechanism is made to respond to hydrostatic pressure. Upon reaching a predetermined depth corresponding to a given pressure, a pilot piston is shifted to allow well fluids to bypass a first set of piston seals and reach a second set. A shear pin that held the pilot piston... Agent: Duane Morris LLP

20070137866 - Dual purpose blow out preventer: An improved dual purpose blow out preventer (“BOP”) that provides both deployment and wellhead pressure containment functions. The dual purpose BOP may include four sets of rams including a set of seal/slip rams that provide bi-directional sealing being a first barrier to downhole pressure. The seal/slip rams may also grip... Agent: Howrey LLP

20070137868 - Safety interlock for control lines: A protection tool is provided to protect a control line in a safe area while one or more slips of a spider are being closed. In another embodiment, a safety interlock system is provided to prevent the closing of the slips before the control line is pulled away from the... Agent: Patterson & Sheridan, L.L.P.

20070137867 - Side entry apparatus and method: An apparatus for lowering wireline into a well. The apparatus comprises a sleeve having a first and second end, wherein the first end contains a first plurality of wedges and the second end contains a second plurality of wedges. The apparatus further includes an upper mandrel having a third plurality... Agent: C. Dean Domingue U.s. Registered Patent Attorney

20070137869 - Subsurface safety valve: A subsurface safety valve comprises a tubular body adapted for placement within a wellbore and defining a fluid passageway. A valve closure member, such as a flapper valve, is carried by the tubular body and movable through a closure path between positions opening and closing the fluid passageway. An actuator,... Agent: Schlumberger Reservoir Completions

20070131410 - Downhole hydraulic pipe cutter: The casing cutter disclosed herein is useful for severing downhole tubulars and comprises a body, slips, a cutting head, cutting blades, and actuators for operating the cutting head and cutting blades. The casing cutter can be anchored within casing wellbore with the slips to provide anchoring support during the cutting... Agent: Gilbreth Roebuck Bynum Derrington Schmidt Walker & Tran, LLP

20070131411 - Thermal processes for subsurface formations: A process may include providing heat from one or more heaters to at least a portion of a subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In some embodiments, heat from the one or more heat sources may pyrolyze at least some... Agent: Shell Oil Company

20070131412 - Mass isolation joint for electrically isolating a downhole tool: A mass isolation joint for electrically isolating a downhole tool includes a first joint section having a distal end in which a first thread is formed, a second joint section, and an insulating composite structure coupling the first joint section to the second joint section, wherein at least one of... Agent: Schlumberger Oilfield Services

20070131413 - Mandrel for introduction into a fluid circulation duct, and related production well: The mandrel comprises a body (16) presenting a longitudinal axis (X-X′) together with a radially-expandable annular assembly (18). The annular assembly (18) presents a peripheral surface (39) for pressing against a borehole and a peripheral surface (57) for pressing against the body (16). Around the longitudinal axis (X-X′), the annular... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070131414 - Method for making centralizers for centralising a tight fitting casing in a borehole: A centralizer for an oil well drill casing including at least one strip of ceramic or plastic material applied onto an outer wall of the casing.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070131415 - Solution mining and heating by oxidation for treating hydrocarbon containing formations: A method for treating an oil shale formation comprising nahcolite includes providing a first fluid to a portion of the formation. A second fluid is produced from the portion. The second fluid includes at least some nahcolite dissolved in the first fluid. A controlled amount of oxidant is provided to... Agent: Shell Oil Company

20070131416 - Apparatus for gripping a tubular on a drilling rig: Methods and apparatus for running tubulars into and out of a wellbore. A gripping apparatus is activated with an actuator having a primary actuator and a redundant safety feature. The redundant safety feature may include one or more redundant fluid operated pistons. The gripping apparatus may include an integrated safety... Agent: Patterson & Sheridan, L.L.P.

20070131417 - Casing resonant radial flexural modes in cement bond evaluation: A method useful for evaluating the presence and/or the quality of the cement bond of a downhole tubular. The method involves measuring radial resonance modes of the tubular, and comparing those measured values to the unbound tubular resonant values of a calibration ring. For a well bonded tubular, the measured... Agent: Gilbreth Roebuck Bynum Derrington Schmidt Walker & Tran, LLP

20070131418 - Methods and systems for robust and accurate determination of wireline depth in a borehole: This invention relates in general to measuring depth of well-tools, such as logging tools or the like, in a borehole. Embodiments of the present invention may provide for disposing transponders along a wireline that may be used to suspend and move the well-tool in the borehole, where the transponders may... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20070131420 - Methods of cracking a crude product to produce additional crude products: A method for producing a crude product is disclosed. Formation fluid is produced from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a first gas stream. The first gas stream includes olefins. The liquid stream is fractionated to produce one... Agent: Shell Oil Company

20070131419 - Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid: A method for producing alkylated hydrocarbons is disclosed. Formation fluid is produced from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a first gas stream. The first gas stream includes olefins. The liquid stream is fractionated to produce at least... Agent: Shell Oil Company

20070131421 - Multiple entrance shunt: Multiple pathways are provided by which fluid can enter one or more alternate pathway conduits. Entrance tubes can be arranged such that their spacing prevents all of them from being simultaneously obstructed, covered, or otherwise blocked.... Agent: Schlumberger Reservoir Completions

20070131423 - Method of extracting hydrocarbons: A mixture of liquefied carbon dioxide (above about 20 percent) and methanol (less than about 80 percent) is injected into an oil and gas well to fracture the oil bearing formation at suitable pressures. In a second and other following stages, a proppant mixed with a polymer is injected to... Agent: Holme Roberts & Owen, LLP

20070131422 - Sand aggregating reagents, modified sands, and methods for making and using same: A method for treating solid materials is disclosed, where the treating compositions coats surfaces or portions of surfaces of the solid materials changing an aggregation or agglomeration propensity of the materials. Treated solid materials are also disclosed. The methods and treated materials are ideally suited for oil field applications.... Agent: Robert W Strozier, P.l.l.c

20070131425 - Aggregating reagents, modified particulate metal-oxides, and methods for making and using same: A method for treating solid materials is disclosed, where the treating compositions coats surfaces or portions of surfaces of the solid materials changing an aggregation or agglomeration propensity of the materials. Treated solid materials are also disclosed. The methods and treated materials are ideally suited for oil field applications.... Agent: Robert W Strozier, P.l.l.c

20070131424 - Proppant for use in a subterranean formation: The invention provides a proppant for treating a subterranean formation penetrated by a wellbore, wherein a typical specimen of the proppant has a non-globular and non-fibrous shape. The invention also provides a method for stimulating a subterranean formation penetrated by a wellbore, the method comprising the steps of forming the... Agent: Halliburton Energy Services, Inc.

20070131426 - Junk removal tool: A junk removal tool (10) for use in a well bore. The tool includes a multi-faceted face (42) of tungsten carbide to break up large pieces of junk. The junk is then captured in the tool via large area inlet ports (40) and collected in a trap.(31). In one embodiment,... Agent: Perret Doise A Professional Law Corporation

20070131428 - Methods of filtering a liquid stream produced from an in situ heat treatment process: A method for producing one or more crude products is disclosed. Formation fluid is produced from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a gas stream. At least a portion of the liquid stream is provided to a nanofiltration... Agent: Shell Oil Company

20070131427 - Systems and methods for producing hydrocarbons from tar sands formations: A system for treating a tar sands formation is disclosed. A plurality of heaters are located in the formation. The heaters include at least partially horizontal heating sections at least partially in a hydrocarbon layer of the formation. The heating sections are at least partially arranged in a pattern in... Agent: Shell Oil Company

20070131429 - Subsea well separation and reinjection system: A subsea well assembly has a string of casing with perforations leading to a producing zone and perforations leading to an injection zone. A string of production tubing extends into the casing in communication with the producing formation. A barrier separates the interior of the tubing from the injection zone... Agent: James E. Bradley

20070131430 - Well jet device for logging horizontal wells and the operating method thereof: The invention relates to pumping engineering. The inventive device comprises a ring which is provided with a sealing unit and arranged on a casing string and a smooth pipe column. The pump body is provided with a channel for supplying an active medium, a channel for supplying an active medium... Agent: Patenttm.us

20070131432 - Coiled tubing injector system: A coiled tubing injector system which includes transport trailer components for separate transfer to and from a drilling site. Each component is taken to the site with its own transport tractor, a first component including a coil storage reel and a second component including a tubing injector carried on a... Agent: Miles & Stockbridge PC

20070131431 - Self-lubricating expansion mandrel for expandable tubular: A self-lubricating expansion mandrel includes a system for lubricating the interface between the self-lubricating expansion mandrel and a tubular member during the radial expansion of the tubular member.... Agent: Haynes And Boone, LLP

20070131433 - In-situ creation of drilling deflector: A lateral exit in a casing is formed by starting with a shaped charge to produce a semi-circular cut of about 180 degrees in the casing. A spreader tool pushes in opposed directions at opposed ends of the cut making some of the casing wall at the cut curl inwardly.... Agent: Duane Morris LLP

20070131434 - Flow control device with a permeable membrane: A system for use in a well includes plural flow control devices to control fluid flow in respective zones of the well, where each of at least some of the flow control devices includes a membrane having a permeable material to provide a flow restriction. The membranes of the at... Agent: Schlumberger Reservoir Completions

20070125530 - Interactive and/or secure activation of a tool: A tool activation system and method includes receiving an authorization code of a user to verify access rights of a user to activate the tool. In one example, the authorization code is receive from a smart card. The environment around the tool, which can be in a wellbore, for example,... Agent: Schlumberger Reservoir Completions

20070125531 - Wellhead and control stack pressure test plug tool: A test plug tool for use in testing a pressure integrity of a pressure control stack mounted to a wellhead, including a joint between a casing and a casing support in the wellhead. The test plug tool includes a test plug of an appropriate diameter used to pressure test the... Agent: Nelson Mullins Riley & Scarborough, LLP

20070125532 - Self energized backup system for packer sealing elements: Preformed ribs are held closely to the swelling element and then are allowed to assume an expanded position to capture the ends of the swelling element. Many variations are possible one of which is retaining the ribs in a run in position with a band that releases by interaction with... Agent: Duane Morris LLP

20070125533 - Methods of hydrotreating a liquid stream to remove clogging compounds: A method includes producing formation fluid from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a gas stream. At least a portion of the liquid stream is provided to a hydrotreating unit. At least a portion of selected in situ... Agent: Shell Oil Company

20070125534 - Methods of using wellbore sealant compositions containing cationic latexes: A method of servicing a wellbore in contact with a subterranean formation, comprising: placing a sealant composition comprising a cementitious material and a cationic latex into the wellbore.... Agent: Craig W. Roddy Halliburton Energy Services

20070125535 - Method for gravel or frac packing in a wellbore and for monitoring the packing process: A method for gravel packing or frac packing in a borehole includes running a workstring to a target location, running an optic fiber to the location with the workstring and monitoring the target location with the optic fiber. A method for monitoring at least one parameter at a plurality of... Agent: Cantor Colburn, LLP

20070125536 - Method to improve the injectivity of fluids and gases using hydraulic fracturing: A method of improving injectivity of fluid, particularly produced water, in enhanced hydrocarbon recovery is disclosed. The method includes introducing a fracturing fluid into the subterranean formation to create a fracture, and introducing proppant into the fracturing fluid to form a single layer of proppant in the fracture. The fracturing... Agent: Schlumberger Technology Corporation

20070125537 - Natural gas treatment process for stimulated well: A process and equipment for treating natural gas produced by a well that has recently been stimulated, and that contains an undesirably high concentration of the fracturing gas used to stimulate the well. The process involves treating the gas by membrane separation, and provides for control of treatment parameters to... Agent: Membrane Technology And Research Inc.

20070125539 - Methods of cementing subterranean formations using cement compositions comprising maltodextrin: Subterranean treatment operations, and more particularly, methods of cementing subterranean formations using cement compositions including maltodextrin, are provided. An example of a method of the present invention is a method of cementing a subterranean formation, comprising: providing a cement composition comprising water, a hydraulic cement, and an additive comprising maltodextrin;... Agent: Baker Botts, LLP

20070125538 - Methods of treating subterranean formations using treatment fluids comprising chlorinated carbohydrates: Subterranean treatment operations, and more particularly, methods of treating subterranean formations using treatment fluid compositions including chlorinated carbohydrates, are provided. An example of a method is a method of treating a subterranean formation, including: providing a treatment fluid including water, a hydraulic cement, and a chlorinated carbohydrate; placing the treatment... Agent: Craig W. Roddy Halliburton Energy Services

20070125540 - Monitoring an explosive device: An explosive device includes a housing, and at least one of an initiator and an explosive in the housing. The at least one of the initiator and explosive are activatable in response to stimulus from a control line. A monitor in the housing monitors a state of the stimulus to... Agent: Schlumberger Reservoir Completions

20070125541 - Threaded connector for well servicing applications: A threaded connection assembly comprises a nut, a multiplier connected to the nut via a first threaded interface having a first number of threads per inch and a well servicing pipe coupling connected to the multiplier via a second threaded interface having a second number of threads per inch. A... Agent: John W. Wustenberg

20070125542 - High temperature gellant in low and high density brines: In accordance with the present invention, the rheology of an aqueous fluid is modified by a method which comprises adding to said aqueous fluid an amount of a viscoelastic composition sufficient to form a viscoelastic fluid. The viscoelastic composition of the invention comprises a combination of i) at least one... Agent: Akzo Nobel Inc.

20070125543 - Method and apparatus for centralized well treatment: A method of communicating between a central location and multiple well locations is disclosed that includes the steps of stimulating a first well from the central location using a first stimulation fluid through a first fluid line; and simultaneously stimulating a second well from the central location using a second... Agent: John W. Wustenberg

20070125544 - Method and apparatus for providing pressure for well treatment operations: An apparatus for providing pressure for a well fracturing operation is disclosed. The apparatus includes one or more docking areas for docking one or more pumping units to a pressure manifold wherein the one or more docking areas are operable to provide access between one or more pumping units, and... Agent: John W. Wustenberg

20070125545 - Method and apparatus for removing cuttings from drilling fluids: A method and apparatus for recycling drilling fluids used in the drilling of wells is provided. The apparatus comprises a tank with a plurality of compartments. Used drilling fluid containing well cuttings or “solids” is pumped into a receiving compartment of the tank and directed towards a flow-reversing barrier. Reversal... Agent: Jean M. Macheledt

20070125546 - Strake systems and methods: There is disclosed a system comprising a structural element, at least one helical strake about the structural element, and at least one ramp to provide a transition from the structural element to the helical strake.... Agent: Shell Oil Company

20070125547 - Valve: A valve for use in a downhole tool The valve has an inlet communicating with the work string from which it is anchored. The inlet provides a flow path of a first cross-sectional area. A sealing assembly comprising a spring biased seal cap moves within an outer tubular body to... Agent: Edwards Angell Palmer & Dodge LLP

20070125548 - Stripper rubber insert assembly: A high-pressure stripper rubber provides inserts and support members that cooperatively support the profile of the rubber against elastic deformation. The inserts dynamically cooperate to resist elastic deformation of the rubber due to down hole pressure. The stripper rubber has a generally cylindrical upper moiety and a dynamic, generally frusto-conical,... Agent: Matthew E. Burr Lake Austin Marina

20070125549 - Universal rig with vertical stand for tubulars: The rig 10 is provided for electively inserting either coiled tubing or a threaded tubular through a rig floor and into a well. The rig includes a coiled tubing injector 16 supported on a mast 14 when in an operative position to insert coiled tubing into the well, and a... Agent: Loren G. Helmreich

20070125550 - Thru tubing tool and method: A downhole assembly comprises a whipstock and an expandable anchoring tool connected to the whipstock, wherein the tool comprises a body including a plurality of angled channels formed into a wall thereof and a plurality of moveable slips, wherein the slips translate along the angled channels between a collapsed position... Agent: Conley Rose, P.C.

20070125551 - Method and apparatus for conducting earth borehole operations: A method and apparatus for conducting earth borehole operations comprising a CT system comprising a first carrier with a reel of CT and a CT injector, a second carrier comprising a top drive rig having a mast, and a lifter operative to move the CT injector from the first carrier... Agent: C. James Bushman

20070125552 - Mobile drilling rig with dual carriers: A rig 10 for selectively inserting coiled tubing or threaded tubulars into a well includes a mast 14 extending upward from a mast carrier 12, and a coiled tubing injector 16 and a coiled tubing reel 26 supported on a coiled tubing carrier 28 separate from the mast carrier. The... Agent: Browning Bushman P.C.

20070125553 - Circulation tool: A downhole tool for circulating fluid in a well bore. The tool includes an axial inlet and outlet with radial second outlets. A sleeve moves over the second outlets to control circulation of fluid. The sleeve can be selectively locked in an opened or closed configuration while the tool is... Agent: Perret Doise A Professional Law Corporation

20070125554 - Actuating mechanism: An actuating mechanism for use in a tool such as a plug used in oil and gas wells. The mechanism being operable under pressure in the well bore to set the plug in a first natural closed state for a pressure under a predetermined pressure range; a second closed state... Agent: Edwards Angell Palmer & Dodge LLP